QuietScoreBathroom & Utility Fans › Delta 110HLEDNL

Delta 110HLEDNL noise level

The Delta 110HLEDNL is certified at 0.1 sones (≈7 dBA) — quieter than 87% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is near the threshold of human hearing — effectively silent in a normal room.
0.1sones (certified)
≈7 dBAapproximate conversion
110 CFMairflow
8.3CFM per watt

The Delta 110HLEDNL is quieter than the category median of 0.7 sones, and its 110 CFM rating makes it suitable for bathrooms up to roughly 110 sq ft.

Full specifications

BrandDelta
Model number110HLEDNL
Model nameBreezSignature
CategoryBathroom & Utility Fans
Sound level0.1 sones (≈7 dBA, approximate)
Airflow110 CFM
Efficiency8.3 CFM/W
Duct size4 inch diameter
Speeds3
Integrated lightingYes
ENERGY STAR certifiedYes
On market since2017-03-10
MarketsUnited States, Canada

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Panasonic Eco Solutions FV-0811RQ1 0.1 7 110 CFM 5.1 CFM/W specs
Panasonic Eco Solutions FV-0811RQC1 0.1 7 110 CFM 4.9 CFM/W specs
Fantech SC50-80-110 (484313) 0.1 7 110 CFM 10.7 CFM/W specs
Fantech SC50-80-110H (494140) 0.1 7 110 CFM 10.7 CFM/W specs
Fantech SC50-80-110L (484314) 0.1 7 110 CFM 10.7 CFM/W specs

Frequently asked questions

How many sones is the Delta 110HLEDNL?

The Delta 110HLEDNL is certified at 0.1 sones in ENERGY STAR lab testing, which is approximately 7 dBA. That is near the threshold of human hearing — effectively silent in a normal room.

Is the Delta 110HLEDNL quiet?

At 0.1 sones, the Delta 110HLEDNL is quieter than 87% of the 811 certified bathroom & utility fans we track, and quieter than the category median of 0.7 sones.

How powerful is the Delta 110HLEDNL?

It moves 110 CFM, which is adequate for a bathroom of roughly 110 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 8.3 CFM per watt.

Data provenance: Sound levels are certified lab measurements (sones) reported in the U.S. EPA ENERGY STAR certified products dataset — not manufacturer marketing claims. Source: ENERGY STAR Certified Ventilating Fans (US EPA), last fetched 2026-06-13. The dBA figure is an approximate conversion from sones — see our methodology.